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    <meta charset="utf-8" />
    <title></title>
    <style type="text/css">
        #p1 {text-transform: uppercase;}
        #p2 {text-transform: lowercase;}
        #p3 {text-transform: capitalize;}
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<body>
    <p id="p1">rome was't built in a day.</p>
    <p id="p2">rome was't built in a day.</p>
    <p id="p3">rome was't built in a day.</p>
</body>
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